Load Specifications
Bullet Manufacturer:Frontier Bullets
Bullet Weight:350 gr
Bullet Diameter:0.415"
Bullet Length:<<locked>>
Caliber:.416 Weath. Mag. load data
Case Length (l3):2.913"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:140 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:26"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:19.5
Load data in caliber .416 Weath. Mag. with .415 | 350gr | Frontier PH HPFB bullet and 105 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-17, ReloadSwiss RS 60 and ReloadSwiss RS 70.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 54,563 psi | 86% | 2595 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 57,159 psi | 90% | 2671 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 55,027 psi | 86% | 2690 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 55,724 psi | 87% | 2690 fps | 98.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 43,816 psi | 69% | 2608 fps | 97.9% |
| Accurate 4064 | <<locked>> | 90% | 57,130 psi | 90% | 2723 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 57,029 psi | 89% | 2825 fps | 100% |
| ADI AR 2206H | <<locked>> | 86% | 57,145 psi | 90% | 2756 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 54,621 psi | 86% | 2707 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 51,503 psi | 81% | 2749 fps | 96.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 56,028 psi | 88% | 2700 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 57,334 psi | 90% | 2667 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 56,971 psi | 89% | 2884 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 54,824 psi | 86% | 2730 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 55,274 psi | 87% | 2753 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 54,375 psi | 85% | 2825 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 94% | 55,492 psi | 87% | 2858 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 50,459 psi | 79% | 2743 fps | 96.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 41,611 psi | 65% | 2631 fps | 99.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 36,709 psi | 58% | 2539 fps | 96.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 46,543 psi | 73% | 2802 fps | 99.5% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 56,971 psi | 89% | 2776 fps | 100% |
| Bofors RP3 | <<locked>> | 90% | 55,535 psi | 87% | 2749 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 55,390 psi | 87% | 2726 fps | 98.5% |
| Hodgdon Benchmark | <<locked>> | 84% | 57,566 psi | 90% | 2680 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 55,390 psi | 87% | 2733 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 57,609 psi | 90% | 2835 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 56,217 psi | 88% | 2762 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 96% | 55,912 psi | 88% | 2822 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 94% | 56,434 psi | 88% | 2782 fps | 98.1% |
| Hodgdon H4895 | <<locked>> | 84% | 54,273 psi | 85% | 2713 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 54,201 psi | 85% | 2749 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 57,377 psi | 90% | 2802 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 56,260 psi | 88% | 2861 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,897 psi | 56% | 1634 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 55,419 psi | 87% | 2717 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 54,476 psi | 85% | 2690 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 57,551 psi | 90% | 2740 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 57,406 psi | 90% | 2726 fps | 99.1% |
| IMR 4350 | <<locked>> | 98% | 55,622 psi | 87% | 2753 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 94% | 57,087 psi | 89% | 2753 fps | 99% |
| IMR 4831ᴾ | <<locked>> | 100% | 57,232 psi | 90% | 2812 fps | 100% |
| IMR 4895 | <<locked>> | 88% | 56,695 psi | 89% | 2779 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 56,028 psi | 88% | 2700 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 57,159 psi | 90% | 2730 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 56,376 psi | 88% | 2680 fps | 100% |
| Lovex S062 | <<locked>> | 90% | 57,406 psi | 90% | 2730 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 56,550 psi | 89% | 2746 fps | 99.7% |
| Lovex S070 | <<locked>> | 98% | 57,595 psi | 90% | 2785 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 36,477 psi | 57% | 2464 fps | 96% |
| Norma 201 | <<locked>> | 86% | 55,796 psi | 87% | 2697 fps | 100% |
| Norma 202 | <<locked>> | 86% | 56,376 psi | 88% | 2694 fps | 100% |
| Norma 203B | <<locked>> | 88% | 54,520 psi | 85% | 2736 fps | 100% |
| Norma 204 | <<locked>> | 98% | 56,318 psi | 88% | 2805 fps | 97.6% |
| Norma MRPᴾ | <<locked>> | 100% | 46,441 psi | 73% | 2756 fps | 97.5% |
| Norma URP | <<locked>> | 98% | 55,695 psi | 87% | 2805 fps | 100% |
| Ramshot Big Game | <<locked>> | 88% | 55,100 psi | 86% | 2766 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 54,491 psi | 85% | 2812 fps | 99.4% |
| Ramshot TAC | <<locked>> | 84% | 56,043 psi | 88% | 2730 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 84% | 55,869 psi | 88% | 2743 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 56,666 psi | 89% | 2707 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,448 psi | 57% | 1673 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 56,391 psi | 88% | 2746 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 55,985 psi | 88% | 2818 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 55,361 psi | 87% | 2851 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 56,608 psi | 89% | 2848 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 55,767 psi | 87% | 2877 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 84% | 56,797 psi | 89% | 2671 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 56,376 psi | 88% | 2697 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 55,376 psi | 87% | 2740 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 53,185 psi | 83% | 2723 fps | 96% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 49,110 psi | 77% | 2720 fps | 96.7% |
| Rottweil R 907 | <<locked>> | 94% | 55,390 psi | 87% | 2726 fps | 98.5% |
| Shooters World Long Rifle | <<locked>> | 96% | 56,550 psi | 89% | 2746 fps | 99.7% |
| Shooters World Match Rifle | <<locked>> | 86% | 57,159 psi | 90% | 2730 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 57,406 psi | 90% | 2730 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 57,595 psi | 90% | 2785 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 56,927 psi | 89% | 2799 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 54,665 psi | 86% | 2710 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 55,448 psi | 87% | 2730 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 57,232 psi | 90% | 2631 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 57,392 psi | 90% | 2631 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 56,811 psi | 89% | 2703 fps | 99% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 48,646 psi | 76% | 2717 fps | 96.6% |
| Somchem S321 | <<locked>> | 82% | 57,217 psi | 90% | 2733 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 56,507 psi | 89% | 2628 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 54,259 psi | 85% | 2697 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 55,579 psi | 87% | 2736 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 53,954 psi | 85% | 2808 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 49,850 psi | 78% | 2703 fps | 97.6% |
| Vihtavuori N130 | <<locked>> | 82% | 56,942 psi | 89% | 2585 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 57,537 psi | 90% | 2612 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 56,289 psi | 88% | 2654 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 56,942 psi | 89% | 2674 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 56,884 psi | 89% | 2710 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 54,694 psi | 86% | 2753 fps | 99.9% |
| Vihtavuori N530 | <<locked>> | 84% | 56,521 psi | 89% | 2700 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 54,984 psi | 86% | 2677 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 57,203 psi | 90% | 2812 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 45,948 psi | 72% | 2703 fps | 99.8% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 54,520 psi | 85% | 2730 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 56,594 psi | 89% | 2749 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 56,043 psi | 88% | 2825 fps | 99.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 37,217 psi | 58% | 2657 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 86% | 55,332 psi | 87% | 2736 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 51,459 psi | 81% | 2552 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 44,295 psi | 69% | 2493 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 51,445 psi | 81% | 2641 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 42,960 psi | 67% | 2480 fps | 95.8% |
| Accurate 3100 | <<locked>> | 94% | 35,694 psi | 56% | 2448 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 41,887 psi | 66% | 2497 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 30,850 psi | 48% | 2343 fps | 95.9% |
| ADI AR 2206H | <<locked>> | 80% | 47,340 psi | 74% | 2605 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 40,364 psi | 63% | 2464 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 96% | 45,252 psi | 71% | 2641 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 49,414 psi | 77% | 2605 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 50,357 psi | 79% | 2579 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 43,294 psi | 68% | 2654 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,190 psi | 63% | 2487 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,018 psi | 67% | 2549 fps | 99.4% |
| Alliant Reloder-16 | <<locked>> | 80% | 31,270 psi | 49% | 2356 fps | 96.1% |
| Alliant Reloder-17 | 91.1 gr | 80% | 34,751 psi | 54% | 2474 fps | 98.9% |
| Alliant Reloder-19 | <<locked>> | 96% | 44,469 psi | 70% | 2635 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 86% | 27,122 psi | 43% | 2274 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 98% | 34,505 psi | 54% | 2484 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 90% | 32,895 psi | 52% | 2497 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 46,746 psi | 73% | 2618 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 40,001 psi | 63% | 2497 fps | 99.8% |
| Bofors RP7 | <<locked>> | 84% | 40,712 psi | 64% | 2470 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 51,024 psi | 80% | 2589 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 48,544 psi | 76% | 2635 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 53,867 psi | 84% | 2782 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 40,640 psi | 64% | 2500 fps | 98.2% |
| Hodgdon H414 | <<locked>> | 84% | 37,797 psi | 59% | 2497 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 86% | 43,961 psi | 69% | 2572 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 47,848 psi | 75% | 2615 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 28,718 psi | 45% | 2260 fps | 96.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 43,947 psi | 69% | 2595 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 39,653 psi | 62% | 2562 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,803 psi | 42% | 1457 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 45,934 psi | 72% | 2569 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 47,921 psi | 75% | 2598 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 42,366 psi | 66% | 2497 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 80% | 44,759 psi | 70% | 2520 fps | 97.1% |
| IMR 4350 | <<locked>> | 88% | 40,872 psi | 64% | 2500 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 82% | 39,682 psi | 62% | 2451 fps | 95.6% |
| IMR 4831 | <<locked>> | 80% | 30,095 psi | 47% | 2306 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 44,092 psi | 69% | 2579 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 80% | 49,414 psi | 77% | 2605 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 46,876 psi | 73% | 2585 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,166 psi | 74% | 2539 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 42,409 psi | 66% | 2497 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 34,940 psi | 55% | 2356 fps | 95.7% |
| Lovex S070 | <<locked>> | 84% | 37,478 psi | 59% | 2431 fps | 95.3% |
| Lovex S071 | <<locked>> | 98% | 34,185 psi | 54% | 2415 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 46,514 psi | 73% | 2556 fps | 100% |
| Norma 202 | <<locked>> | 80% | 46,804 psi | 73% | 2556 fps | 100% |
| Norma 203B | <<locked>> | 80% | 42,395 psi | 66% | 2539 fps | 99.6% |
| Norma 204 | <<locked>> | 92% | 46,035 psi | 72% | 2638 fps | 95.5% |
| Norma MRP | <<locked>> | 96% | 40,567 psi | 64% | 2638 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 31,270 psi | 49% | 2343 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 80% | 42,076 psi | 66% | 2556 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 84% | 34,664 psi | 54% | 2434 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 49,226 psi | 77% | 2625 fps | 99.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 49,023 psi | 77% | 2641 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 80% | 53,185 psi | 83% | 2657 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,122 psi | 43% | 1493 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 40,930 psi | 64% | 2484 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 45,759 psi | 72% | 2657 fps | 99.7% |
| ReloadSwiss RS 60 | 91.1 gr | 80% | 36,956 psi | 58% | 2533 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 30,603 psi | 48% | 2359 fps | 95.3% |
| ReloadSwiss RS 70 | 94.8 gr | 82% | 32,663 psi | 51% | 2415 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 50,560 psi | 79% | 2582 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 44,222 psi | 69% | 2510 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 37,666 psi | 59% | 2444 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 98% | 50,024 psi | 78% | 2674 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 96% | 43,120 psi | 68% | 2615 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 84% | 40,712 psi | 64% | 2470 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 34,940 psi | 55% | 2356 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 46,876 psi | 73% | 2585 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 42,409 psi | 66% | 2497 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 37,478 psi | 59% | 2431 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 38,566 psi | 60% | 2493 fps | 99.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 47,848 psi | 75% | 2602 fps | 99.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 45,847 psi | 72% | 2579 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 47,630 psi | 75% | 2497 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 39,871 psi | 62% | 2375 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 38,725 psi | 61% | 2402 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 42,728 psi | 67% | 2608 fps | 95% |
| Somchem S321 | <<locked>> | 80% | 53,635 psi | 84% | 2687 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 47,340 psi | 74% | 2500 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 47,601 psi | 75% | 2598 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 38,435 psi | 60% | 2448 fps | 99.4% |
| Somchem S365 | <<locked>> | 80% | 28,079 psi | 44% | 2303 fps | 98.1% |
| Somchem S385 | <<locked>> | 94% | 41,017 psi | 64% | 2546 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 53,621 psi | 84% | 2543 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 48,080 psi | 75% | 2487 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 43,961 psi | 69% | 2484 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,382 psi | 70% | 2497 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,492 psi | 57% | 2385 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 80% | 32,532 psi | 51% | 2346 fps | 96.3% |
| Vihtavuori N530 | <<locked>> | 80% | 49,705 psi | 78% | 2605 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 42,685 psi | 67% | 2490 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 32,039 psi | 50% | 2346 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 84% | 27,398 psi | 43% | 2293 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,227 psi | 51% | 2326 fps | 98.2% |
| Winchester 748 | <<locked>> | 80% | 49,617 psi | 78% | 2651 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 37,898 psi | 59% | 2500 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 88% | 25,425 psi | 40% | 2290 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 80% | 45,498 psi | 71% | 2585 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 121 powders for .416 Weath. Mag. loaded with the .415 | 350gr | Frontier PH HPFB. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,884 fps; across all powders the maximum-charge window runs from 1,634 fps to 2,884 fps. Accurate 3100 gives the best case fill at 100 %, and 121 of the 121 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 350.0 gr projectile in 0.415" calls for a 1:19.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2209 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. Alliant Reloder-17, ReloadSwiss RS 60, ReloadSwiss RS 70 rank at the top here: for .416 Weath. Mag. with the .415 | 350gr | Frontier PH HPFB they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2213, Bofors RP15 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.